251651428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15259}}^1$

素因数の和:15320

約数の個数: 48

約数和(自身を含む): 546918400

約数和(自身を除く): 295266972

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 15259, 16492, 30518, 61036, 106813, 213626, 289921, 427252, 473029, 579842, 946058, 1159684, 1892116, 2029447, 3311203, 4058894, 6622406, 8117788, 8987551, 13244812, 17975102, 35950204, 62912857, 125825714, 251651428]

約数ペア:

[(1, 251651428), (2, 125825714), (4, 62912857), (7, 35950204), (14, 17975102), (19, 13244812), (28, 8987551), (31, 8117788), (38, 6622406), (62, 4058894), (76, 3311203), (124, 2029447), (133, 1892116), (217, 1159684), (266, 946058), (434, 579842), (532, 473029), (589, 427252), (868, 289921), (1178, 213626), (2356, 106813), (4123, 61036), (8246, 30518), (15259, 16492)]